Egg beater



April .5, 1927.

R. B. LIENHARD EGG BEATER Filer; Maron' 3.o. 1925 l I l l Il FIL `l Patented Apr. f, 1927.

RTCHARD B. LIENHARD, er NEWINGTCN,

CONNECTICUT, ASSIGNOR T0 'THE4 TAPLIN MANUFACTURING COMPANY, or NEW BRITAIN, CONNECTICUT, A CORPORATION.

EGG BEATER.

i kApplication filed March 30` 1925. Serial No. 19,413.

My invention relates yto improvements in egg beaters, of the form having a doublefaced driving gear intermediate the small gear wheels that are individually' mounted upon .and incorpora-ted with the beater blade members soras toeffect abalanced effect under operating conditions, and the object of my ,improvement is to providean improved form for thejframe structure, and y,having particular reference `to ,the-details in the means for supporting the vshaft structure for the beater members.

In Kthe accompanying drawing Figure 1 is a front elevation of an egg beater .that ,has a frame structure embodying my invention.

:Figure 2 .is a side elevationfof the frame, with one side in part broken away, and part ofloneof the shaftstructures.

Figure 3 is a rear elevation of the lower portion of the frame.

Figure 4 is a bottom view of the frame.

My improved egg beater comprises a frame that is provided with an upwardly projecting stem 11 for the knob 12 and has a pair of side members 13'that are cross-connected at their lower ends by the bar 14, the latter being off-set rearwardly, as usual, to clear the operating devices.

Said devices comprise a pair of beater blades 15 of the usual form that are made of' strip sheet metal and are operatively supported substantially in the usual manner by.

means of a shaft structure 16 of wire.

The blades 15 are elongated skeleton structures, arranged in two sets, and each set is surmounted by a small gear 17 that is niechanically united therewith.

Each small gear 17 is opposed to the under face 18 of one of the side members 13 of the frame l() and is mounted for rotation on the adjacent portion v19 of the shaft structure 16.

Said adjacent portion 19 of the shaft structure 16 is part of one of the arms 20 that are united at their lower ends by the yoke 21, substantially as usual.

Intermediate the small gears 17 and cooperating therewith is the main gear 22 which is a double-faced structure and is housed within the space 23 between the side members 13, said main gear 22 being operatively supported from the frame 10 by means of the crank-shaft 24.

Extending upwardly fromlthe under face 18 on eachside member 13 is a'bore 25 for the upper end portion k26-o'f the arm 20,211,1(1 which provides the means kfor supporting the shaft structure 16. v

Said bore 25is .interrupted by therecess 27 that is bridged bythe shaft endporftion 26 `aand the material of said `shaft-end porr`tionlthat registers with saidrecess 27 iS swaged so as to provide effectivelyan .enlarged orl swelled structure 28 lthat is sutilciently large to prevent the ,separation vof the shaft structure 16 from the frame lO. In the vpresent instance the two recesses 27 open inwardly into thev space .23 between the side members 13, and herein lies an 7 important feature'of vmy invention.

By this construction :thetlwobores 25can be brought relatively close together, thus ,permitting .a closer or more Vcompact st-ructure for the adjacent parts of the shaft structure 1G and blade and small gear ele` ments because the material 29 ofthe frame 10 that bridges the gap or recess 27 is on the outer side.

Also, access to effect the ewa-ging of the wire of the shaft structure 16 is facilitated.

The recesses 27 extend across the frame 10, between the front and the rear. Such a yconstruction permits the swaging of the shaft endV portions 26 for producing the holding enlargements 28 simultaneously b the-'use of a stationary anvil or block and a movable die. By reason ofthe detail of having the two recesses 27 open inwardly into the intermediate open space 23 between the two side members 13 that is provided for the main gear 22 the swaging tools used may be relatively plain and elementary, as when used in effecting the swagingthe main gear is'V not in position and said intermediate space 23 is actually open and unobstructed so far asconcerns the operations of the dies.

Also, by reason of having the recesses 27 open inwardly, as described, the lateral spacing of the shaft ends 26 may be freely made to correspond to what is determined to be correct and proper for the etiicient operation of the gears and driving the small gears 17 by the main gear 22 and is independent of structural details of the frame 10. That is to say, there is no frame partto interfere because the adjacent frame part 29, referred to above as the material of the frame 29 that bridges the gap or recess 27,

on each side, is located at the outer or remote side of recess relatively to the main gear space 23.

Furthermore, said recess bridging material 29 may be and7 as shown, is made relatively thick and heavy, thus corresponding as to this structural detail to that of the other parts or walls 0f the frame 10, which is a heavy massive structure such as to be adapted to give useful service, long life, and reliability for heavy duty.

The recesses 27 are relatively diminutive, as compared in height to that of the main gear space 23 and a single swaging of the material of each of the shaft ends 26 suffices to effect an operative holding connection. The construction shown also permits of providing clearance on all sides of the swelled or swaged portions or holding enlargements Q8.

It will be particularly noted that there is clearance in the longitudinal direction between the tops and bottoms of the enlargements 28 and the opposed top and bottom walls of the recesses 27.

That is to say, a close fit between the enlargements 2S and the walls of the recess is avoided, so that the force of the swaging 'operation is not transmitted to the frame.

The advantage of this arrangement is that breakage of the frames in the making operations is avoided, such as does happen when swaged material is vforced against the frame in making a close fit.

I claim as my invention In an egg beater having as associated op erating parts, a drive gear positioned between beater blade driving pinions and individual shafts for said pinions that are operatively held in place by a swaged portion of each of said shafts that is located between longitudinally spaced walls, a frame having side members that are separated by a space for admitting said drive gear, that are provided with recesses that are bordered by said walls, and that are provided with bores for unswaged portions of said shafts, and said recesses extending individually from front to rear across said side members and opening inwardly into said space Ifor the drive gear, whereby is permitted a close relation volving taining porting tending edly be provided with needed material for strength and ri idity.

RIC ARD B. LIENHARD.

of the drive gear and pinions, inthe use of small pinions for obrelatively high speed and the supmaterial of the side members exaround the recesses may unrestrict- 

